Lowrance® and Navico® are registered trademarks of Navico.
Fishing Hot Spots® is a registered trademark of Fishing Hot Spots Inc.
Navionics® is a registered trademark of Navionics, Inc.
Navico may nd it necessary to change or end our policies, regulations and special oers at any time. We reserve
the right to do so without notice. All features and specications subject to change without notice.
Compliance Statements
Lowrance HOOK-4, HOOK-5, HOOK-7 and HOOK-9
• meets the technical standards in accordance with Part 15.103 of the FCC rules
• complies with CE under RTTE directive 1999/5/EC
• complies with the requirements of level 2 devices of the Radiocommunications (Electromagnetic
Compatibility) standard 2008
For more information please refer to our website: www.lowrance.com.
Warning
The user is cautioned that any changes or modications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that the interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment o and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna
• Increase the separation between the equipment and receiver
• Connect the equipment into an outlet on a circuit different from that of the receiver
• Consult the dealer or an experienced technician for help
WARNING: When a GPS unit is used in a vehicle, the vehicle operator is solely responsible for operating
the vehicle in a safe manner. Vehicle operators must maintain full surveillance of all pertinent driving or
boating conditions at all times. An accident or collision resulting in damage to property, personal injury or
death could occur if the operator of a GPS-equipped vehicle fails to pay full attention to travel conditions
and vehicle operation while the vehicle is in motion.
NOTE: This manual covers HOOK-4, HOOK-5, HOOK-7 and HOOK-9 units. As a result, screenshots of
menus and dialogs may not match the look of your unit.
Index ............................................... 56
5
Table of Contents | HOOK series
Introduction
Unit controls
LIGHT/POWER: controls backlight level
and turns unit on/off
KEYPAD: controls cursor & selects
items on menus
PAGES: allows you to select a page to
view
MENU: opens settings, context and
page menus
ENTER: nalizes menu selections; save
waypoint at cursor position
MOB: press and hold both Zoom keys to
create a Man Overboard waypoint
ZOOM Keys: used to zoom in/zoom out
microSD slot: insert a blank microSD card to save
screen captures; or insert a microSD mapping card to
use mapping data
Introduction | HOOK series
6
Turn unit
on/off
Man
Overboard
waypoint
Adjusting
the
backlight
Muting
Audio
Getting started
To turn on/off the unit, press and
hold the LIGHT/POWER key for
three seconds.
Press the ZOOM IN and ZOOM OUT
keys at the same time to set a Man
Overboard waypoint. Your system will
automatically create an active route
back to the MOB waypoint. You must
cancel navigation to terminate the
function.
This unit has
Press the LIGHT/POWER key to
switch backlight levels.
Select Audio from the System
menu and press ENTER. Enable/
disable
10 backlight levels.
Mute.
Inserting microSD cards
Carefully slide the microSD card into the slot until it clicks into place. To remove, carefully push in the
card until it clicks out of place.
HOOK-5, HOOK-7 and HOOK-9
HOOK-4
7
Introduction | HOOK series
Basic operation
Setup wizard
The Setup wizard will appear when the unit is
turned on for the rst time. To choose your own
settings, do not run the setup wizard. To restart
the Setup wizard, restore defaults.
Pages
Pages dialog
NOTE: Available pages vary depending
on the unit and the connected transducer.
Basic Operation | HOOK series
Selecting pages
To select a page, press the keypad in the direction
of the desired page and press ENTER.
Page menus
The Steer, Downscan, Sonar and Chart pages have
menus that can only be accessed when those
pages are displayed.
Steer menu
Steer page
8
Combo pages
Downscan page
Sonar page
Chart page
Downscan menu
Sonar menu
Chart menu
Two-panel page
Three-panel page
Press the PAGES key twice to switch active
panels. The page menu for active page will be
displayed when the MENU key is pressed. The
active panel is denoted by an orange border.
Accessing the Settings menu
x2
9
Basic Operation | HOOK series
Accessing menu items
On/Off features
The keypad and ENTER key are used to select
menu items and open submenus. Use the keypad
to highlight the desired item and press ENTER.
Working with menus
There are several menu types used to make
adjustments to options and settings, including
scrollbars, on/o features and dropdown menus.
Scrollbars
Select the scrollbar and press the
keypad left (decrease) or right
(increase).
Basic Operation | HOOK series
Select an on/o menu item and
press ENTER to turn it on/o.
Dropdown menus
Access the dropdown
menu and press the
keypad up/down to select
the desired item and press
ENTER.
NOTE: Press the MENU key to Exit
menus.
Dialogs
Dialogs are used for user input
or for presenting information to
the user. Depending on the type
of entry, dierent methods are
used to conrm, cancel or close
the dialog.
10
Entering text
Fishing modes
Some functions, like naming a waypoint, route or
trail, will require you to input text.
To input text:
1. Use the keypad to select the desired
character and press ENTER.
2. Repeat Step 1 for each character.
3. When entry is completed, highlight OK
and press ENTER.
Switches letters
to uppercase/
lowercase
Switches keyboard
between Alpha and
QWERTY layout
(Conventional sonar only)
Fishing modes enhance the performance of your
unit by providing preset packages of sonar settings geared to specic shing conditions.
11
Basic Operation | HOOK series
Fishing mode options
General Use1000 ft or lessCoastal
Shallow
Water
Fresh Water400 ft or lessInland/Near coastal
Deep Water1000 ft or moreOffshore
Slow
Trolling
Fast
Trolling
Clear Water400 ft or lessInland/Coastal
Brackish
Water
Ice400 ft or lessIce shing
60 ft or less
400 ft or lessInland/Coastal
400 ft or lessInland/Coastal
400 ft or lessFresh-Saltwater mix
Shallow weedy
bottoms
NOTE: Use Fresh Water mode when shing
in less than 100 feet of water; otherwise
your unit may not track bottom properly.
Cursor
The keypad moves the cursor around the display,
allowing you to scroll the map, select map items
and review sonar history.
Press MENU andselect Return to vessel or Exit cursor mode to clear the cursor.
Goto cursor
Used to navigate to the cursor.
1. Move the cursor to a desired location
and press MENU.
2. Select Goto cursor and press ENTER.
Basic Operation | HOOK series
12
Advanced mode
Enables advanced features and settings.
Press the PWR/LIGHT key to access the Backlight
dialog.
The following features are enabled when Advanced mode is turned on:
• Navigation (Enables arrival radius, offcourse distance and Bearings setting)
• Alarms (Enables arrival, off course and
anchor alarm options)
• NMEA 0183 Output (Requires optional
Power/NMEA cable 000-0127-49)
• Units (Enables distance, speed, depth,
temperature, and bearings options)
Standby mode
Lowers power consumption by
turning o sonar and the display.
NOTE: Leaving your unit in Standby
mode when your boat is not in use will
run down your battery.
Restore defaults
Resets unit options and settings
to defaults.
13
Basic Operation | HOOK series
Pages
Direction to cursor
Current Track
Your location
Compass
Navigation
information
Steer page
The Steer page has a compass that shows your
current track, the direction to your destination,
and a digital data navigation panel.
Pages | HOOK series
Surface Clutter
Fish arches
Bottom
Range
Scale
Sonar page
Displays the water column moving from right to
left on your unit’s screen.
14
Fish
Surface clutter
Depth
contours
Current location
Cursor
Structure
Range scale
Downscan page
The Downscan page shows the water column
moving from right to left. You can overlay
downscan sonar on the conventional sonar page
by selecting Downscan Overlay on the Sonar
settings menu.
Current cursor location;
distance to cursor
Waypoint
Chart page
Consists of map that moves in real-time as you
move. By default, the map is shown from a birdseye view with North at the top of the screen.
15
Pages | HOOK series
Zoom
Range
Combo pages
This unit has four pre-congured combo pages.
Chart/SonarChart/Downscan
Sonar/DownscanChart/Sonar/Downscan
Customizing combo pages
You can adjust the panel size
of combo pages and control
how the pages will be
arranged on the screen:
vertically (side) or horizontally (over).
To make adjustments to combo page panels,
select a combo page from the Pages carousel and
press MENU.
NOTE: To adjust panel size, access the
customize menu after selecting a combo
page for display and select Panel size.
NOTE: Press the PAGES key twice to
switch active panels.
Pages | HOOK series
16
Overlay data
Used to select data shown on the Sonar, Structure
and Chart pages.
Overlay data
Show
Enables/disables the display of overlay data,
allowing you to remove overlay data from the
screen without deleting the current overlay data
conguration.
Congure
Allows you to select/customize overlay data.
To add overlay data:
1. From the Sonar, Chart or DownScan
page, press MENU.
2. Select Overlay data and press ENTER.
3. Select Congure and press ENTER.
4. Press MENU and select Add. Press
ENTER.
5. Select a data category and press
ENTER.
6. Select the desired data and press
ENTER.
7. Press MENU and select Return to Overlays. Press ENTER.
8. Press MENU, select Done Conguring
and press ENTER.
17
Pages | HOOK series
Sonar operation
This unit supports two types of sonar:
Conventional and Downscan.
The features described in this section are for
conventional sonar. Refer to the Downscan section
for information on Downscan features.
CHIRP
A CHIRP (Compressed High Intensity Radar
Pulse) transducer transmits a modulated pulse
of multiple frequencies within the bandwidth
of the selected transducer type. This results in
better image quality, better target separation and
greater depth penetration.
This unit supports High CHIRP, Medium CHIRP
and Low CHIRP, depending on the transducer.
CHIRP can be used with Lowrance conventional
sonar transducers.
• 50/200 kHz (Low/High CHIRP)
• 83/200 kHz (Medium/High CHIRP)
To use CHIRP, select the desired CHIRP frequency
from the Frequency menu.
Sonar Operation | HOOK series
18
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